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Question

Pick out the correct statements:
$ψ_{1 s (H)}$ and $ψ_{2 s (H)}$ are orthogonal to each other.
The degeneracy of the orbitals of the $H$ -atom having energy $- \frac{R y d b e r g}{16}$ is $30$ .
The average distance of the $2 s$ -electron from the nucleus of $H$ -atom is $4 a_{0}$ .
The most probable distance of an electron in the $2 p$ -orbital of $H$ -atom is $4 a_{0}$ .

A

The most probable distance of an electron in the

2 p

-orbital of

H

-atom is

4 a_{0}

.

B

ψ_{1 s (H)}

and

ψ_{2 s (H)}

are orthogonal to each other.

C

The degeneracy of the orbitals of the

H

-atom having energy

- \frac{R y d b e r g}{16}

is

30

.

D

The average distance of the

2 s

-electron from the nucleus of

H

-atom is

4 a_{0}

.

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